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DisplayPort 1.2 gets active cable support

updated 06:40 pm EDT, Wed June 22, 2011

Offers greater performance, longer cable lengths

VESA, the body that oversees the DisplayPort standard, has extended that standard to support active cables. Active cables can allow runs of up to 100 feet, five times greater than the maximum length of a passive cable. The cables can also be thinner than passive cables, providing even more flexibility for home theater installs or other complex setups.

An active DisplayPort cable sends signals in both directions. To help avoid confusion, VESA has specified a new logo to identify which end of the cable should be connected to the display or computer.

The DisplayPort initiative was first pushed by Dell back in 2003. The intent was to minimize the number of cables and diverse connectors associated with LCDs, then an emerging technology. Ultimately, DisplayPort will replace VGA, DVI and LVDS interfaces while providing single-cable support for peripherals attached to the same display, including speakers, cameras, and microphones. It offers twice the performance of DVI for higher resolution and color depth.

Apple gave the standard a boost when it threw its weight behind DisplayPort in October 2008, eventually making Mini DisplayPort an official component, and it has been gaining momentum ever since.





By Electronista Staff
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Comments

  1. 001

    Fresh-Faced Recruit

    Joined: Dec 2010

    +3

    A brief fanboi moment

    So, Dell first pushed for DisplayPort and it got nowhere until Apple started using it?

    You all know what I'm about to say about Michael Dell...he's gonna be haunted by his advice that the newly returned Jobs sell off Apple's assets.

    OK, got that out of my system.

    I'm a bit uncertain about the article. Are active cables powered or amplified or both? Aren't passive cables bidirectional as well?

  1. testudo

    Forum Regular

    Joined: Aug 2001

    -1

    Re: A brief fanboi moment

    So, Dell first pushed for DisplayPort and it got nowhere until Apple started using it?

    Um, hate to tell you, it still hasn't gone anywhere, unless you think that, just because Apple is using it, that means it's gone somewhere.

    Oh, and if the positions were reversed, and Apple started using it, Dell jumped on board a couple of years later, and then it started to take off, I'm sure you would be saying how Apple once again led the way on new technology, not that they needed Dell to make it move.

    You all know what I'm about to say about Michael Dell...he's gonna be haunted by his advice that the newly returned Jobs sell off Apple's assets.

    You mean when Apple's stock was at $8/share and its' market cap was LESS than actual value of the company? You mean then?

    Yeah, who would think Apple would fail then. Idiot.

    Oh, wasn't that also the time when Steve Jobs got on board and sold all the stock he received from his sale of Next, because he didn't believe the company would last.

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